.main {
    /*background-color: rgba(0, 0, 0, 0.2);*/
    /*width: 960px;*/
    /*height: 200px;*/
    /*display: block;*/
    /*position: fixed;*/
}

.bg {
    position: fixed;
    width: 100%;
    height: 100%;
}

.content_bg {
    position: relative;
    /*width: 100%;*/
    /*height: 100%;*/
    /*background-color: #235b8b;*/
    background-color: rgba(0, 0, 0, 0.2);
    padding: 20px;

    border-radius: 10px;

    width: 820px;
    height: auto;

    margin: auto;
}

.text_tip {
    font-size: 23px;
    margin-bottom: 10px;
    display: block;
    color: #fff;
}

#alert_div {
    padding: 20px 0px;
    min-width: 300px;
    position: absolute;
    top: 0px;
    right: 0px;
    z-index: 9999;
}

.placeholder {
    height: 100px;
}

.drop_list {
    /*border: 1px solid rgba(0, 0, 0, 0.125);*/
    /*box-shadow: 2px 2px rgba(0, 0, 0, .6);*/
    /*background-color: #fff;*/
    box-shadow: 4px 4px 10px #888888;
    z-index: 10;
    /*overflow: auto;*/
    margin-top: -16px;
    margin-left: -2px;
    max-height: 500px;
    width: 780px;
    position: absolute;
    opacity: 0;
}

.item_size {
    color: #FFF;
    /*color: #8b11bd;*/
    margin-left: 10px;
    padding-left: 4px;
    padding-right: 4px;
    border-radius: 6px;
    font-size: 12px;
    background-color: rgba(0, 0, 0, 0.35);
    opacity: 0;
}

.item_size:hover {
    color: #FFF;
}

.api_clear_wrapper {
    display: block;
    width: 100%;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.api_url_close {
    z-index: 20;
    position: absolute;
    right: 4px;
    top: 3px;
    /*margin-top: -13px;*/
    /*margin-right: 1px;*/
    font-size: 20px;
    display: none;
    width: 30px;
    height: 30px;
    text-align: center;
}

.api_url_close:hover {
    background-color: #25aaff;
    border-radius: 45rem;
    color: #fff;
}

.api_url_close:active {
    background-color: #bd2130;
}

.item_close {
    z-index: 20;
    position: absolute;
    right: 0;
    margin-top: -13px;
    margin-right: 1px;
    padding: 6px;
    font-size: 30px;
    display: none;
}

.item_close:hover {
    background-color: #25aaff;
    border-radius: 0.25rem;
}

@media screen and (max-width: 820px) {
    body {
        width: 100%;
        height: 100%;
    }

    .drop_list {
        width: 360px;
    }

    .content_bg {
        width: 98%;
        height: 100%;
    }

    .placeholder {
        height: 10px;
    }
}

